Interview Process:

• Contacted via LinkedIn
• Phone interview
• Phone coding interview
• Onsite interviews

This was a great experience for an Android role in Menlo Park. It's a great company with great engineers.

1. Group anagrams.

2. Given an input string, reverse the string word by word.

   For example, given s = "the sky is blue", return "blue is sky the".

3. Given a string, find the length of the longest substring without repeating characters.

   For example, the longest substring without repeating letters for "abcabcbb" is "abc", which has a length of 3. For "bbbbb", the longest substring is "b", with a length of 1.